Finding the right CNG car that balances your needs can be worth your money. With the plethora of choices available in the Indian car market, the affordable CNG cars under 20 lakhs which offer fuel efficiency and good performance are hard to find. CNG cars offer good value whether you are a family looking for reliable transport or a daily commuter eager to cut fuel costs. All the CNG cars under 20 lakh are included in this article with detailed specs and analysis to help you choose the best.
Why Choose a CNG Car?
It is important to understand the reasons for the popularity of CNG among automobile buyers in India before we discuss individual models. With an average mileage of 17.44km/kg to 35.6 km/kg (based on the model), CNG vehicles consume less fuel compared to petrol vehicles. Besides, CNG is also cheaper than petrol, which makes it a great option for the family or business owner on a budget. The engines are dual-fuel flexible (CNG and gasoline) which allow you to switch according to your availability and preference.
Tata Nexon
The car offers 5-star safety rating by both global NCAP and Bharat NCAP ensuring passengers are provided with best possible protection. Its stylish 16-inch dimple Dual-tone alloy wheels along with its sleek LED lights are inspired enough to attract young hearts. With three powered options – a 1.2L turbo-petrol, a 1.2L turbo-petrol CNG, and a 1.5L diesel, and multiple transmission options – manual (5/6-speed), AMT, and a 7-speed DCT for petrol variants, and manual and AMT variants for diesel.
The infotainment system is easily synced to the driver with a 10.25-inch touch screen and an accompanying driver’s display. It comes with a panoramic sunroof, front seats which are ventilated, a high-end JBL audio system and an air purifier. Advanced technology contributes to convenience and safety, including a wireless charger, around view monitor, cruise control, dual zone climate control, rear air ventilation, and advanced internet features. Also, the blind spot camera adds to the driver’s peace of mind.
The Tata Nexon comes in a range of Rs. 8.4 lakh to Rs. 16.58 lakh. Buyer can get this feature packed compact SUV in 2025.
Maruti Grand Vitara
There are powertrain options in a Maruti Grand Vitara, it comes with a 1.5-litre mild-hybrid petrol engine, a 1.5-litre strong-hybrid petrol engine paired with an electric motor and dedicated CNG variants. You can get CVT and automatic transmissions, both with AWD. The cabin is spacious five-seater with premium materials used and thoughtful design.
Occupant protection is better with now six standard airbags across all versions of the car. Panoramic sunroof (only on high spec variants) adds to the open and airy feel of the cabin. More comfort and convenience are added with 9-inch touchscreen, ventilated seats, head-up display, 360-degree camera, air purifier, and wireless charging. Front-wheel drive (FWD) and all-wheel drive (AWD) are offered, with the addition of a new AWD automatic version.
With a 5-speed manual gearbox and a fuel efficiency of 21.11 kmpl, the Base Sigma Petrol variant is priced at ₹10.77 lakh. The cost of the Delta CNG variant is ₹13 lakh. The cost of the high-end Alpha Plus Opt Hybrid CVT DT variant is ₹19.72 lakh.
Maruti Ertiga
There are two engines options available for the car, a 1.5L petrol engine offers 102 horsepower and 136.8 Nm of torque and a 1.5L CNG engine delivers 87 horsepower and 121.5 Nm of torque. The gasoline version is available with a 5-speed manual and a 6-speed torque converter automatic transmission, while the CNG version is only a manual. The fuel consumption figures are fact – the CNG variant delivers 22.75 km/kg while the petrol variant delivers 20.3 – 20.51 kmpl as per ARAI.
A 7-inch touchscreen infotainment system with Android Auto and Apple CarPlay, automatic climate control, paddle shifters (AT), cruise control, 40+ linked car features, rear AC vents, tumble fold seats, rear parking sensors and cameras, and ventilated seats in upper trims are just some of the highlights. Safety also benefits from dual airbags, ABS with EBD, rear sensors and a 3-star Global NCAP rating. The 209-liter boot is handy for all sorts of storage and can be extended by folding down the third-row seats.
For 2025, the Ertiga gets a reduction in its GST price, making it more affordable, with prices beginning at ₹8.80 lakh (ex-showroom), while the top variants touch around ₹12.94 lakh.
Toyota Rumion
A 1.5-litre naturally aspirated petrol engine gives 103 PS of horsepower with 137 Nm of torque which is ready to hit the road at a speed. The CNG version comes with a 1.5L engine to generate 88 PS and 121.5 Nm which is ready to give 26.11 km/kg impressive mileage. The petrol version is available with two transmission options, a 5-speed manual and a 6-speed torque converter automatic.
The 2025 Toyota Rumion is starting at ₹10,44,000 but choosing more options in the car will cost you around ₹13,62,000. The S variant is the lowest-priced option, while the automatic one tops the list of the non-CNG models. With recent GST price cut, the CNG variant is priced at ₹11.39 lakh (ex-showroom).
Maruti XL6
The vehicle is offered with two engine options that comply with BS6 Phase II standards – a 1.5L mild-hybrid petrol engine producing 102hp and 137Nm of torque, and a 1.5L CNG engine producing 87hp and 121.5Nm of torque. A 5-speed manual transmission would be available for both variants and the petrol variant would get a 6-speed automatic (torque converter) only. That’s good fuel economy, too, with the petrol versions delivering 20.27–20.97 kmpl and CNG model delivering 26.32 km/kg. The infotainment system includes a 7-inch touchscreen (with wireless charging), a 360° camera, Apple CarPlay, Android Auto, and Suzuki Connect.
Nexa is the exclusive channel for buying Maruti Suzuki’s premium, 6-seater, MUV the XL6. The 2025 prices of the top Alpha Plus AT Dual Tone trim and Zeta petrol variant of the car are ₹14.48 lakh and ₹11.52 lakh, respectively.
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Toyota Urban Cruiser Hyryder
Engine options for the car include a 1.5L mild-hybrid petrol, a 1.5L strong hybrid petrol with a CVT, and a 1.5L CNG variant. Transmission options include 5-speed manual, 6-speed automatic torque converter (for petrol and CNG variants) and CVT (gasoline-only for the high-output hybrid model). Be it for fuel economy of 21.11 kmpl, petrol-manual and 20.58 kmpl, automatic, an incredible 27.97 kmpl in hybrid mode as per ARAI certification and 26.6 kg per km with CNG variant, this automobile draws all eyes.
Toyota Urban Cruiser Hyryder technically comes with FWD but some of the high-end trims provide All-wheel drive (AWD). The modern built cabin ensures passengers comfort and convenience.
In 2025, the price of the V Hybrid Dual Tone top variant (automatic, strong hybrid) ex-showroom is ₹19.76 lakh and the E base variant (manual, mild hybrid petrol) begins at ₹10.95 lakh.
Hyundai Alcazar CNG
The 1.5L petrol engine of the upcoming model that has been adapted for compressed natural gas generates 130–135 hp and 170 Nm of torque. This is a 15% drop from its petrol counterpart. It is expected to come with a 6-speed manual transmission as standard; an automatic variant could be in the offing. With awesome mileage of over 25 km/kg, the CNG variant is a pocket friendly option for long distance travellers.
Its 6 and 7 seater configurations are on offer, same as petrol and diesel trims. We expect premium features such as ADAS, wireless charging, air purifier, powered driver seat, third row a/c, ABS with EBD, hill assist, TPMS, and ISOFIX. The expected price range is between Rs 15 and 20 lakh (ex-showroom), depending on the variant and features you select.
Conclusion
In India, CNG cars under ₹20 lakh are now redefining efficient driving without compromising on features and comfort. The CNG models available today are practical, safe and affordable, from premium MPVs like the Toyota Rumion and Maruti XL6 to compact SUVs such as the Tata Nexon CNG. For 2025, these affordable CNG cars under 20 lakhs will be a good option to buy but take a test drive for a vehicle you are going to buy because each model brings something unique that should match with your vibe.